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561 days ago
Venus is now a closed ring! After some image processing the complete 360° glow of the planet's atmosphere is obvious in this view obtained around noon on June 4 from the Greek island of Rhodes by Tobias Kampschulte who added the 2% best of 3000 DMK video frames obtained with a 14-cm refractor (stopped down to 11 cm) and a green filter and sharpened the sum image; I then cranked up the contrast. Cool, eh? See http://bonnstern.wordpress.com/2012/06/04/noch-mehr-rhodos-venusse-eine-erste-landpartie-und-eine-feurige-herausforderung for how this was accomplished.
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